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Mineral fertilizers. Method for determination of mass fraction of amide nitrogen in compound fertilizers (spectrophotocolorimetric method)

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Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)

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Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)

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Agricultural tractor drive-wheel. Tires-service description (load index-speed symbol) marked tires. Basic parameters and dimensions

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Hoses for household vacuum cleaners. Parameters and dimensions

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Textile materials for filtration of industrial aerosols. Method for determination of wear resistance

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